Sea ice is vanishing quicker than it has ever been observed in satellite record. Arctic sea ice cover has lost on average around 2/3 of its thickness, with 70% of the sea ice cap made of seasonal ice. This alters the seasonal balance of fresh water, which means micro-organisms and ecosystems will have to adapt to these rapidly evolving conditions. Learn more: go.nasa.gov/2rmIr14squeet.me/photos/nasa/image/18…